document.write( "Question 760863: Mrs.Hwang is taking her vehicle to the shop to have the gas tank expanded by 10 gallons. Now, it costs her $42.56 to fill her tank. Once the new tank is in, it will cost her $72 96. How large is her tank now? \n" ); document.write( "
Algebra.Com's Answer #462888 by josgarithmetic(39799)\"\" \"About 
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Tank will be increased in capacity by a factor of \"72.96%2F42.56=whatever+it+is\".\r
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\n" ); document.write( "\n" ); document.write( "Initial volume, v.
\n" ); document.write( "\"highlight%28v%2B10=v%2A%2872.96%2F42.56%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "The 10 added gallons of capacity makes a volume increase by a factor of approximately 1.71. \r
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\n" ); document.write( "\n" ); document.write( "\"%28%2872.96%2F42.56%29-1%29v=10\"
\n" ); document.write( "switch to decimal approximation:
\n" ); document.write( "\"%281.71428-1%29v=10\"
\n" ); document.write( "\"0.714286%2Av=10\"
\n" ); document.write( "\"v=10%2F0.714286\"
\n" ); document.write( "\"highlight%28v=14%29\" gallons
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